The Vegamag 62 magnetic level indicator uses a magnetized float to cause a series of metal flags to rotate, indicating the ...

If you don't already have a torpedo level to double-check your work, the red tool brand makes a great one that everybody ...

Converting a magnet to a non-magnet is called demagnetisation. Magnets are made from magnetic metals – iron, nickel and cobalt. These are the only pure metals that can be turned into a magnet.